Great Lakes Forecast
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FZUS63 KDTX 211946
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
346 PM EDT Fri Jul 21 2017

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...High pressure, 29.90 inches, will reside over the
eastern Great Lakes tonight This high will drift east of the region
on Saturday as a low pressure system and frontal boundary, 29.70
inches, moves into the southern Great Lakes region. Weak low
pressure will then expand across the entrie Great Lakes region on
Sunday. This system will exit to the east on Monday, allowing high
pressure to expand into the region from the west.

LHZ361-220830-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
346 PM EDT Fri Jul 21 2017

.TONIGHT...Light and variable winds. Waves 2 feet or less.
.SATURDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...East winds 5 to 10 knots. A chance of showers
and thunderstorms after midnight. Waves 2 feet or less.
.SUNDAY...East winds 10 to 15 knots. Showers likely and a chance
of thunderstorms. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Showers likely
early in the evening. A chance of thunderstorms until early
morning. A chance of showers in the late evening and early
morning. Waves 1 to 3 feet.
.MONDAY...Northeast winds 10 to 15 knots in the morning becoming
light and variable. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming southeast 5 to
10 knots until early morning. A chance of showers after midnight.
Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots veering to the west
until early morning. A chance of showers until afternoon. A
chance of thunderstorms until late afternoon. Waves 2 feet or
less.


$$

LHZ362-363-220830-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
346 PM EDT Fri Jul 21 2017

.TONIGHT...Light and variable winds becoming east 5 to 10 knots.
A chance of showers and thunderstorms early in the morning. Waves
2 feet or less.
.SATURDAY...East winds 5 to 10 knots. A chance of showers and
thunderstorms in the morning. Waves 1 to 3 feet building to 2 to
4 feet late in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. A chance of showers
and thunderstorms after midnight. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.SUNDAY...Southeast winds 10 to 15 knots becoming east 5 to
10 knots early in the afternoon. A chance of showers and
thunderstorms. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots increasing to
15 to 20 knots after midnight. A chance of showers and
thunderstorms. Waves 1 to 3 feet.
.MONDAY...Northeast winds 10 to 15 knots becoming light and
variable. A chance of showers and thunderstorms early in the
morning. Waves 2 to 4 feet building to 3 to 5 feet late in the
morning...then subsiding to 1 to 3 feet late in the evening.
.TUESDAY...Light and variable winds becoming south 5 to 10 knots
early in the evening...then increasing to 10 to 15 knots in the
late evening and early morning. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots until early morning. A chance of showers and
thunderstorms. Waves 1 to 3 feet.


$$

LHZ462>464-220830-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
346 PM EDT Fri Jul 21 2017

.TONIGHT...Light and variable winds becoming east 5 to 10 knots
early in the morning. A chance of showers and thunderstorms early
in the morning. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots in
the afternoon. A chance of showers and thunderstorms in the
morning. Waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.SUNDAY...Southeast winds 5 to 10 knots. A chance of showers and
thunderstorms. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots becoming northeast 10 to
15 knots after midnight. A chance of showers and thunderstorms.
Waves 2 feet or less.
.MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
late in the evening. A chance of showers and thunderstorms early
in the morning. Waves 1 to 3 feet building to 3 to 5 feet.
.TUESDAY...Light and variable winds becoming south 10 to 15 knots
in the late evening and early morning. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and early morning. A chance of
showers and thunderstorms until early morning. Waves 2 feet or
less.


$$

LHZ461-220830-
MAFOR 2121/
HURON NORTH 13500 11400 13200 11300. Waves 2 feet or less.
220001.

HURON SOUTH 14300 11400 11500 12300. A chance of showers and
thunderstorms overnight and Saturday morning. Waves 1 to 3 feet.
220101.

$$

SC

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)


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